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#4806860 - 07/06/18 02:31 PM OE or aftermarket brand for thermostats
gogozy Offline


Registered: 03/16/04
Posts: 711
Loc: GTA, Ontario, Canada
car is 2004 TSX, thinking of replace the waterpump, thermostat. I had determine to get the OE waterpump, but I wonder if I shall stick with OE or aftermarket thermostat? what aftermarket brand can be trusted? thanks for suggestion.

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#4806876 - 07/06/18 02:52 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
mrsilv04 Offline


Registered: 12/08/06
Posts: 8297
Loc: Illinois
OEM. One item that I will never cheap out on, is a thermostat.
_________________________
2004 Silverado - on its 3rd Jasper engine in less than one year.

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#4806884 - 07/06/18 03:04 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
rooflessVW Offline


Registered: 12/24/11
Posts: 4315
Loc: North Carolina
OE for sure. Test it before you install it.
_________________________
"Zed's dead baby, Zed's dead."

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#4806901 - 07/06/18 03:26 PM Re: OE or aftermarket brand for thermostats [Re: rooflessVW]
demarpaint Offline


Registered: 07/03/05
Posts: 30001
Loc: NY
Originally Posted By: rooflessVW
OE for sure. Test it before you install it.


approved
OE Always.
_________________________
God Bless Our Troops


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#4806903 - 07/06/18 03:27 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
maverickfhs Offline


Registered: 12/28/16
Posts: 2073
Loc: VA
OEM, do it and forget about it.
_________________________
2006 Civic EX 202K/AT
2006 Acura TSX 180K/AT

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#4806915 - 07/06/18 03:40 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
earlyre Offline


Registered: 11/22/11
Posts: 3892
Loc: Lima, Ohio, USA
I just replaced mine. I didn't go OE. I was shopping for them on RockAuto, the only Motorcraft thermostat they had Listed for My car was a 190 Degree thermostat. every other brand, and the one I took out of the car were 180 Degree units.

I ended up getting a Motorad "failsafe" unit. designed so that if it does fail, it fails open. at least that's what the package/ marketing wank says...

they were all listed about the same price...
_________________________
Mine:
09 Mercury Sable : 6qts AutoQuest(Meijer/Warren) 0w20, WIX 51516
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#4806921 - 07/06/18 03:44 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
Nick1994 Offline


Registered: 02/19/13
Posts: 10285
Loc: Phoenix, AZ
OEM

My mechanic put a Stant in my grandparentís Trailblazer and it ran warm, the opening was quite a bit smaller than an OEM one.
_________________________
2015 Hyundai Sonata 2.4L 80k Mobil 1 AFE 0w30 & OEM
2000 Toyota Camry 2.2L 228k Mobil 1 AFE 0w30 & Wix
1996 Jeep Cherokee 4.0L 146k Mobil 1 HM 10w40 & Fram Ultra

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#4806944 - 07/06/18 04:17 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
VeryNoisyPoet Offline


Registered: 12/16/17
Posts: 318
Loc: Massachusetts
I lean towards OEM.

Exercise the thermostat in a pan of boiling water before you install to make sure it opens and closes properly.
_________________________
1998 V70 GLT / 187k miles

"Use yah blinkah!"

"Be nice. The alternative involves an air horn and 7000 lumens of high beam."

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#4806956 - 07/06/18 04:32 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
Leo99 Offline


Registered: 03/30/14
Posts: 3111
Loc: NJ
I put a Stant thermostat and radiator cap in my Rav4 as PM at 320,000 miles. The cap failed. The thermostat is working fine. (KoW) After that, everyone said to stick with OEM for caps and thermostats. I have a no-name cap on it now. It works.


Edited by Leo99 (07/06/18 04:33 PM)
_________________________
Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles

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#4806959 - 07/06/18 04:33 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
RF Overlord Offline


Registered: 11/08/03
Posts: 3779
Loc: Cape Cod, MA
While is highly unlikely you will go wrong with OEM, I've always had good luck with the Stant SuperStat.
_________________________
Supercharged '03 Mercury Marauder - Trilogy Motorsports #61
PP 5W-30 / MC FL820S

'04 Grand Marquis LS Limited Edition - daily driver

'00 Grand Marquis GS - bad frame/future to be determined

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#4806978 - 07/06/18 05:12 PM Re: OE or aftermarket brand for thermostats [Re: earlyre]
Chris142 Offline


Registered: 06/05/03
Posts: 16957
Loc: Deplorable in apple valley, ca
Originally Posted By: earlyre
I just replaced mine. I didn't go OE. I was shopping for them on RockAuto, the only Motorcraft thermostat they had Listed for My car was a 190 Degree thermostat. every other brand, and the one I took out of the car were 180 Degree units.

I ended up getting a Motorad "failsafe" unit. designed so that if it does fail, it fails open. at least that's what the package/ marketing wank says...

they were all listed about the same price...
imported garbage! Not only are those inconsistent regarding the opening temp they stick open when the engine gets slightly above normal operating temps.
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4806997 - 07/06/18 05:24 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
Trav Offline


Registered: 11/20/06
Posts: 19304
Loc: MA, Mittelfranken.de
OE only 100% Motorad "failsafe" is garbage I wouldn't put in any car.
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#4809301 - 07/09/18 02:50 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
gogozy Offline


Registered: 03/16/04
Posts: 711
Loc: GTA, Ontario, Canada
sorry for delay, had a family emergency over the weekend.. it also cause me getting too tired, and worn out, and forgot to put the ATF fill bolt back on the MDX and drove it for ~15km before I realize it.. luckily the car seems fine for now.

thanks for everyone's unanimous advise, definitely will get the OE thermostats!

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#4810146 - 07/10/18 11:44 AM Re: OE or aftermarket brand for thermostats [Re: gogozy]
zzyzzx Offline


Registered: 05/18/12
Posts: 4400
Loc: Baltimore, Maryland, USA
OE or Stant for thermostats.

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#4810326 - 07/10/18 01:56 PM Re: OE or aftermarket brand for thermostats [Re: gogozy]
nthach Offline


Registered: 01/02/04
Posts: 3981
Loc: California
OE for 80% of the stuff out there. I'll use Stant on older American products. Supposedly Stant now has an "OE Exact" line but unless they are sourcing their Japanese/Korean t-stats from NTCL or Kuhzeh, it might not be.

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